| public GetLogicalPosition ( Point mousePosition ) : TextLocation | ||
| mousePosition | Point | |
| Результат | TextLocation | |
protected void RequestToolTip(Point mousePos)
{
if (toolTipRectangle.Contains(mousePos))
{
if (!toolTipActive)
{
ResetMouseEventArgs();
}
return;
}
//Console.WriteLine("Request tooltip for " + mousePos);
toolTipRectangle = new Rectangle(mousePos.X - 4, mousePos.Y - 4, 8, 8);
TextLocation logicPos = textView.GetLogicalPosition(mousePos.X - textView.DrawingPosition.Left,
mousePos.Y - textView.DrawingPosition.Top);
bool inDocument = textView.DrawingPosition.Contains(mousePos) &&
logicPos.Y >= 0 && logicPos.Y < Document.TotalNumberOfLines;
ToolTipRequestEventArgs args = new ToolTipRequestEventArgs(mousePos, logicPos, inDocument);
OnToolTipRequest(args);
if (args.ToolTipShown)
{
//Console.WriteLine("Set tooltip to " + args.toolTipText);
toolTipActive = true;
SetToolTip(args.toolTipText, inDocument ? logicPos.Y + 1 : -1);
}
else
{
CloseToolTip();
}
}
protected void OnDragOver(object sender, DragEventArgs e)
{
if (!this.textArea.Focused)
{
this.textArea.Focus();
}
Point client = this.textArea.PointToClient(new Point(e.X, e.Y));
if (!this.textArea.TextView.DrawingPosition.Contains(client.X, client.Y))
{
e.Effect = DragDropEffects.None;
return;
}
TextView textView = this.textArea.TextView;
int x = client.X - this.textArea.TextView.DrawingPosition.X;
int y = client.Y;
Rectangle drawingPosition = this.textArea.TextView.DrawingPosition;
TextLocation logicalPosition = textView.GetLogicalPosition(x, y - drawingPosition.Y);
int num = Math.Min(this.textArea.Document.TotalNumberOfLines - 1, Math.Max(0, logicalPosition.Y));
this.textArea.Caret.Position = new TextLocation(logicalPosition.X, num);
this.textArea.SetDesiredColumn();
if (!e.Data.GetDataPresent(typeof(string)) || this.textArea.IsReadOnly(this.textArea.Caret.Offset))
{
e.Effect = DragDropEffects.None;
return;
}
e.Effect = TextAreaDragDropHandler.GetDragDropEffect(e);
}
private void ExtendSelectionToMouse()
{
Point point = this.textArea.mousepos;
TextView textView = this.textArea.TextView;
int x = point.X;
Rectangle drawingPosition = this.textArea.TextView.DrawingPosition;
int num = Math.Max(0, x - drawingPosition.X);
int y = point.Y;
Rectangle rectangle = this.textArea.TextView.DrawingPosition;
TextLocation logicalPosition = textView.GetLogicalPosition(num, y - rectangle.Y);
int y1 = logicalPosition.Y;
logicalPosition = this.textArea.Caret.ValidatePosition(logicalPosition);
TextLocation position = this.textArea.Caret.Position;
if (position == logicalPosition && this.textArea.SelectionManager.selectFrom.@where != 1)
{
return;
}
if (this.textArea.SelectionManager.selectFrom.@where != 1)
{
this.textArea.Caret.Position = logicalPosition;
}
else if (logicalPosition.Y >= this.textArea.SelectionManager.SelectionStart.Y)
{
this.textArea.Caret.Position = this.textArea.SelectionManager.NextValidPosition(logicalPosition.Y);
}
else
{
this.textArea.Caret.Position = new TextLocation(0, logicalPosition.Y);
}
if (this.minSelection.IsEmpty || this.textArea.SelectionManager.SelectionCollection.Count <= 0 || this.textArea.SelectionManager.selectFrom.@where != 2)
{
this.textArea.SelectionManager.ExtendSelection(position, this.textArea.Caret.Position);
}
else
{
ISelection item = this.textArea.SelectionManager.SelectionCollection[0];
TextLocation textLocation = (this.textArea.SelectionManager.GreaterEqPos(this.minSelection, this.maxSelection) ? this.maxSelection : this.minSelection);
TextLocation position1 = (this.textArea.SelectionManager.GreaterEqPos(this.minSelection, this.maxSelection) ? this.minSelection : this.maxSelection);
if (this.textArea.SelectionManager.GreaterEqPos(position1, logicalPosition) && this.textArea.SelectionManager.GreaterEqPos(logicalPosition, textLocation))
{
this.textArea.SelectionManager.SetSelection(textLocation, position1);
}
else if (!this.textArea.SelectionManager.GreaterEqPos(position1, logicalPosition))
{
int offset = this.textArea.Document.PositionToOffset(logicalPosition);
position1 = this.textArea.Document.OffsetToPosition(this.FindWordEnd(this.textArea.Document, offset));
this.textArea.SelectionManager.SetSelection(textLocation, position1);
}
else
{
int offset1 = this.textArea.Document.PositionToOffset(logicalPosition);
textLocation = this.textArea.Document.OffsetToPosition(this.FindWordStart(this.textArea.Document, offset1));
this.textArea.SelectionManager.SetSelection(textLocation, position1);
}
}
this.textArea.SetDesiredColumn();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (!_toolTipRectangle.Contains(e.Location))
{
_toolTipRectangle = Rectangle.Empty;
if (_toolTipActive)
{
RequestToolTip(e.Location);
}
}
foreach (IMargin margin in _leftMargins)
{
if (margin.DrawingPosition.Contains(e.X, e.Y))
{
Cursor = margin.Cursor;
margin.HandleMouseMove(new Point(e.X, e.Y), e.Button);
if (_lastMouseInMargin != margin)
{
if (_lastMouseInMargin != null)
{
_lastMouseInMargin.HandleMouseLeave(EventArgs.Empty);
}
_lastMouseInMargin = margin;
}
return;
}
}
if (_lastMouseInMargin != null)
{
_lastMouseInMargin.HandleMouseLeave(EventArgs.Empty);
_lastMouseInMargin = null;
}
if (TextView.DrawingPosition.Contains(e.X, e.Y))
{
TextLocation realmousepos = TextView.GetLogicalPosition(e.X - TextView.DrawingPosition.X, e.Y - TextView.DrawingPosition.Y);
if (SelectionManager.IsSelected(Document.PositionToOffset(realmousepos)) && MouseButtons == MouseButtons.None)
{
// mouse is hovering over a selection, so show default mouse
Cursor = Cursors.Default;
}
else
{
// mouse is hovering over text area, not a selection, so show the textView cursor
Cursor = TextView.Cursor;
}
return;
}
Cursor = Cursors.Default;
}
private void TextAreaClick(object sender, EventArgs e)
{
Point point = this.textArea.mousepos;
if (this.dodragdrop)
{
return;
}
if (this.clickedOnSelectedText && this.textArea.TextView.DrawingPosition.Contains(point.X, point.Y))
{
this.textArea.SelectionManager.ClearSelection();
TextView textView = this.textArea.TextView;
int x = point.X - this.textArea.TextView.DrawingPosition.X;
int y = point.Y;
Rectangle drawingPosition = this.textArea.TextView.DrawingPosition;
TextLocation logicalPosition = textView.GetLogicalPosition(x, y - drawingPosition.Y);
this.textArea.Caret.Position = logicalPosition;
this.textArea.SetDesiredColumn();
}
}
private void OnMouseDown(object sender, MouseEventArgs e)
{
this.textArea.mousepos = e.Location;
Point location = e.Location;
if (this.dodragdrop)
{
return;
}
if (this.doubleclick)
{
this.doubleclick = false;
return;
}
if (this.textArea.TextView.DrawingPosition.Contains(location.X, location.Y))
{
this.gotmousedown = true;
this.textArea.SelectionManager.selectFrom.@where = 2;
this.button = e.Button;
if (this.button == MouseButtons.Left && e.Clicks == 2)
{
int num = Math.Abs(this.lastmousedownpos.X - e.X);
int num1 = Math.Abs(this.lastmousedownpos.Y - e.Y);
if (num <= SystemInformation.DoubleClickSize.Width && num1 <= SystemInformation.DoubleClickSize.Height)
{
this.DoubleClickSelectionExtend();
this.lastmousedownpos = new Point(e.X, e.Y);
if (this.textArea.SelectionManager.selectFrom.@where == 1 && !this.minSelection.IsEmpty && !this.maxSelection.IsEmpty && this.textArea.SelectionManager.SelectionCollection.Count > 0)
{
this.textArea.SelectionManager.SelectionCollection[0].StartPosition = this.minSelection;
this.textArea.SelectionManager.SelectionCollection[0].EndPosition = this.maxSelection;
this.textArea.SelectionManager.SelectionStart = this.minSelection;
this.minSelection = TextLocation.Empty;
this.maxSelection = TextLocation.Empty;
}
return;
}
}
this.minSelection = TextLocation.Empty;
this.maxSelection = TextLocation.Empty;
Point point = new Point(e.X, e.Y);
Point point1 = point;
this.mousedownpos = point;
this.lastmousedownpos = point1;
if (this.button == MouseButtons.Left)
{
TextView textView = this.textArea.TextView;
int x = location.X - this.textArea.TextView.DrawingPosition.X;
int y = location.Y;
Rectangle drawingPosition = this.textArea.TextView.DrawingPosition;
FoldMarker foldMarkerFromPosition = textView.GetFoldMarkerFromPosition(x, y - drawingPosition.Y);
if (foldMarkerFromPosition != null && foldMarkerFromPosition.IsFolded)
{
if (this.textArea.SelectionManager.HasSomethingSelected)
{
this.clickedOnSelectedText = true;
}
TextLocation textLocation = new TextLocation(foldMarkerFromPosition.StartColumn, foldMarkerFromPosition.StartLine);
TextLocation textLocation1 = new TextLocation(foldMarkerFromPosition.EndColumn, foldMarkerFromPosition.EndLine);
this.textArea.SelectionManager.SetSelection(new DefaultSelection(this.textArea.TextView.Document, textLocation, textLocation1));
this.textArea.Caret.Position = textLocation;
this.textArea.SetDesiredColumn();
this.textArea.Focus();
return;
}
if ((Control.ModifierKeys & Keys.Shift) != Keys.Shift)
{
TextView textView1 = this.textArea.TextView;
int x1 = location.X - this.textArea.TextView.DrawingPosition.X;
int y1 = location.Y;
Rectangle rectangle = this.textArea.TextView.DrawingPosition;
TextLocation logicalPosition = textView1.GetLogicalPosition(x1, y1 - rectangle.Y);
this.clickedOnSelectedText = false;
int offset = this.textArea.Document.PositionToOffset(logicalPosition);
if (!this.textArea.SelectionManager.HasSomethingSelected || !this.textArea.SelectionManager.IsSelected(offset))
{
this.textArea.SelectionManager.ClearSelection();
if (location.Y > 0 && location.Y < this.textArea.TextView.DrawingPosition.Height)
{
TextLocation textLocation2 = new TextLocation()
{
Y = Math.Min(this.textArea.Document.TotalNumberOfLines - 1, logicalPosition.Y),
X = logicalPosition.X
};
this.textArea.Caret.Position = textLocation2;
this.textArea.SetDesiredColumn();
}
}
else
{
this.clickedOnSelectedText = true;
}
}
else
{
this.ExtendSelectionToMouse();
}
}
else if (this.button == MouseButtons.Right)
{
TextView textView2 = this.textArea.TextView;
int x2 = location.X - this.textArea.TextView.DrawingPosition.X;
int y2 = location.Y;
Rectangle drawingPosition1 = this.textArea.TextView.DrawingPosition;
TextLocation logicalPosition1 = textView2.GetLogicalPosition(x2, y2 - drawingPosition1.Y);
int offset1 = this.textArea.Document.PositionToOffset(logicalPosition1);
if (!this.textArea.SelectionManager.HasSomethingSelected || !this.textArea.SelectionManager.IsSelected(offset1))
{
this.textArea.SelectionManager.ClearSelection();
if (location.Y > 0 && location.Y < this.textArea.TextView.DrawingPosition.Height)
{
TextLocation textLocation3 = new TextLocation()
{
Y = Math.Min(this.textArea.Document.TotalNumberOfLines - 1, logicalPosition1.Y),
X = logicalPosition1.X
};
this.textArea.Caret.Position = textLocation3;
this.textArea.SetDesiredColumn();
}
}
}
}
this.textArea.Focus();
}
